Date: Tue, 24 Apr 2007 09:31:38 -0400 From: Dan Casey <dcasey@debtresolve.com> To: Erik Norgaard <norgaard@locolomo.org> Cc: freebsd-questions@freebsd.org Subject: Re: NFS without rpcbind? Message-ID: <462E06BA.4060001@debtresolve.com> In-Reply-To: <20070424093748.M87543@strange.locolomo.org> References: <462D26B4.4040807@debtresolve.com> <20070424093748.M87543@strange.locolomo.org>
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That makes more sense. Actually I do not care if it is tcp or udp,
so long as the ports are not dynamically assigned. I'll have to give
what you said a try. Up until now I thought there was now way to do
this without dynamic ports.
Erik Norgaard wrote:
> On Mon, 23 Apr 2007, Dan Casey wrote:
>
>> It was my understanding that NFS worked off of RPC. I accidently
>> stumbled upon some redhat docs that said you use TCP based NFS which
>> will not require rpc? I think this is an NFSv4 feature, but I'm not
>> sure. I would like to achieve this using FreeBSD 6.2. My goal that I'm
>> trying to accomplish is to get nfs to work in an environment where all
>> traffic is denied by default. Using rpcbind doesn't work well with that
>> type of setup.
>>
>> I tried the following
>> nfs_reserved_port_only="YES"
>> nfs_server_enable="YES"
>> nfs_server_flags="-t -n 4 -h 10.a.b.c"
>>
>> This spawned rpcbind which I didn't want. Does anyone know how to do a
>> tcp only nfs implimentation?
>
> AFAIK nfs v4 is not done yet, the client side is but not the server
> side. But FBSD do have a tcp based nfs. This doesn't however change
> anything with respect to avoiding rpcbind.
>
> RPC is used to tell the client at which port the daemons bind. These
> may be assigned dynamically (I think mountd is dynamic but nfsd static
> to 2049). Basically the client connects to the rpcbind deamon to
> request which ports the mountd and nfsd are on.
>
> You can force both to bind to a static port.
>
> rpcbind_enable="NO" # Run the portmapper service (YES/NO).
> nfs_server_enable="YES" # This host is an NFS server (or NO).
> mountd_enable="YES" # Run mountd (or NO).
> mountd_flags="-r -p 59" # Force mountd to bind on port 59
>
> will force mountd to bind to port 59. Then it should be possible to
> run the nfs server without rpcbind, but I don't remember how to
> configure the client side.
>
> Cheers, Erik
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